public void WriteDataTest()
{
byte[] buffer = new byte[2048];
Mock <IDjvuReader> readerMock = new Mock <IDjvuReader>();
readerMock.Setup(x => x.Position).Returns(1024);
Mock <DjvuNode> nodeMock1 = new Mock <DjvuNode> {
CallBase = true
};
nodeMock1.Object.ChunkData = buffer;
nodeMock1.Setup(x => x.Name).Returns("BM44");
nodeMock1.Object.Length = buffer.Length;
Mock <DjvuNode> nodeMock2 = new Mock <DjvuNode> {
CallBase = true
};
nodeMock2.Object.ChunkData = buffer;
nodeMock2.Setup(x => x.Name).Returns("BM44");
nodeMock2.Object.Length = buffer.Length;
Mock <IDjvuWriter> writerMock = new Mock <IDjvuWriter>();
writerMock.Setup <long>(x => x.WriteUTF8String(It.IsAny <string>())).Returns(4);
writerMock.Setup(x => x.WriteUInt32BigEndian(It.IsAny <uint>()));
writerMock.Setup(x => x.Write(buffer, 0, buffer.Length));
BM44Form form = new BM44Form(readerMock.Object, null, null, "BM44Form", 2048);
form.ChunkData = buffer;
int result = form.AddChild(nodeMock1.Object);
Assert.Equal <int>(1, result);
Assert.Equal <int>(1, form.Children.Count);
result = form.InsertChild(0, nodeMock2.Object);
Assert.Equal <int>(2, result);
Assert.Equal <int>(2, form.Children.Count);
form.WriteData(writerMock.Object);
writerMock.Verify(x => x.WriteUTF8String("FORM"), Times.Once());
writerMock.Verify(x => x.WriteUTF8String("BM44"), Times.Exactly(3));
writerMock.Verify(x => x.WriteUInt32BigEndian((uint)buffer.Length), Times.Exactly(2));
writerMock.Verify(x => x.WriteUInt32BigEndian(((uint)buffer.Length + 8) * 2), Times.Exactly(1));
writerMock.Verify(x => x.Write(buffer, 0, buffer.Length), Times.Exactly(2));
}
